Coating material over electrodes to support organic synthesis

Abstract

There is disclosed a coating material formulation for layering a plurality of electrodes to provide a substrate for the electrochemical synthesis of organic oligomers. Specifically, there is disclosed a coating layer of from about 0.5 to about 100 microns thick and is composed of a mixture of controlled porosity glass (CPG) particles having an average particle size of from about 0.25 to about 25 microns, and a thickening agent.

1. A coated semiconductor device having a plurality of electrodes embedded therein and exposed to an upper surface, and a coating layer coating the upper surface of the semiconductor device, wherein the coating layer is from about 0.5 to about 100 microns thick and is composed of a mixture of controlled porosity glass (CPG) particles having an average particle size of from about 0.25 to about 25 microns, and a thickening agent, wherein the coating layer adheres to the upper surface of the semiconductor device, wherein the thickening agent is selected from the group consisting of solid polymers of olefins, polyethylene, polyvinyl difluoride, polypropylene and polybutylene; vinyl resins, polytetrafluroethylene (PTFE), polyvinylchloride, polyacrylates, polyvinylacetate and polymethylmethacrylate; polycarbonates and polysulfones. 
     
     
       2. The coated semiconductor device of  claim 1  wherein the thickness of the coating layer is from about 1 to about 25 microns. 
     
     
       3. The coated semiconductor device of  claim 2  wherein the thickness of the coating layer is from about 3 to about 15 microns. 
     
     
       4. The coated semiconductor device of  claim 1  wherein the thickening agent further comprises acid selected from the group consisting of HCl, HBr, HI, HNO 3 , H 3 PO 4 , HC10 4 , acetic acid, sulfuric acid, organic acids, acetic acid, citric acid, malic acid, acids with the structure R—COOH, R—SO 3 H, and R—PO 3 H 2 , nitric acid, phosphoric acid, and combinations thereof. 
     
     
       5. The coated semiconductor device of  claim 4  wherein the thickening agent is a resin. 
     
     
       6. The coated semiconductor device of  claim 5  wherein the thickening agent is PTFE in particle form or in aqueous suspension. 
     
     
       7. The coated semiconductor device of  claim 6  wherein the PTFE particles are from about 0.005 to about 1.0 microns. 
     
     
       8. The coated semiconductor device of  claim 1  wherein the semiconductor device is made from silicon nitride and the electrodes are made from platinum. 
     
     
       9. A formulation for coating and adhering to a semiconductor device, wherein the semiconductor device comprises a plurality of electrodes, comprising a mixture of controlled porosity glass (CPG) particles having an average particle size of from about 0.25 to about 25 microns, and a thickening agent, wherein the thickening agent is selected from the group consisting of solid polymers of olefins, polyethylene polyvinyl difluoride, polypropylene and polybutylene; vinyl resins, polytetrafluroethylene (PTFE), polyvinylchloride polyacrylates, polyvinylacetate and polymethylmethacrylate; polycarbonates and polysulfones. 
     
     
       10. The formulation for coating and adhering to a semiconductor device of  claim 9 , wherein the thickness of the coating layer is from about 1 to about 25 microns. 
     
     
       11. The formulation for coating and adhering to a semiconductor device of  claim 10 , wherein the thickness of the coating layer is from about 3 to about 15 microns. 
     
     
       12. The formulation for coating and adhering to a semiconductor device of  claim 9 , wherein the thickening agent further comprises an acid selected from the group consisting of HCl, HBr, HI, HNO 3 , H 3 PO 4 , HC10 4 , acetic acid, sulfuric acid, organic acids, acetic acid, citric acid, malic acid, acids with the structure R—COOH, R—SO 3 H, and R—PO 3 H 2 , nitric acid, phosphoric acid, and combinations thereof. 
     
     
       13. The formulation for coating and adhering to a semiconductor device of  claim 9 , wherein the thickening agent is a resin. 
     
     
       14. The formulation for coating and adhering to a semiconductor device of  claim 9 , wherein the thickening agent is PTFE in particle form or in aqueous suspension. 
     
     
       15. The formulation for coating and adhering to a semiconductor device of  claim 9 , wherein the PTFE particles are from about 0.005 to about 1.0 microns.